单项选择题

浓水隔板的作用是强化水的紊流,降低浓差极化,防止结垢。（） A. 对 B. 错

你可能感兴趣的试题

To analyze sentence meaning, the basic idea is that a semantic theory consists of two parts: a ( ) and a set of ( ) rules. The former provides the ( ) classification and ( ) information of words. The latter are responsible for combining the ( ) of words together. In order to make the combination appropriate, there are selection restrictions.

答案： (1)
dictionary

单项选择题

信号微机监测系统轨道电路监测电压量程为( )。
A、0~40V
B、0~45V
C、0~35V
D、0~30V